feat(ui): implement theme selection dialog with TV support

2026-04-01 07:56:27 +02:00 · 2026-03-28 21:55:38 +01:00
parent 2ccb4225d4
commit a5b11ba99a
4 changed files with 231 additions and 22 deletions
--- a/app/src/main/java/com/michatec/radio/dialogs/ThemeSelectionDialog.kt
+++ b/app/src/main/java/com/michatec/radio/dialogs/ThemeSelectionDialog.kt
@@ -0,0 +1,101 @@
+package com.michatec.radio.dialogs
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.widget.RadioButton
+import androidx.appcompat.app.AlertDialog
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import com.michatec.radio.Keys
+import com.michatec.radio.R
+import com.michatec.radio.helpers.AppThemeHelper
+
+
+/*
+ * ThemeSelectionDialog class
+ */
+class ThemeSelectionDialog(private var themeSelectionDialogListener: ThemeSelectionDialogListener) {
+
+    /* Interface used to communicate back to activity */
+    interface ThemeSelectionDialogListener {
+        fun onThemeSelectionDialog(dialogResult: Boolean, selectedTheme: String) {
+        }
+    }
+
+
+    /* Main class variables */
+    private lateinit var dialog: AlertDialog
+
+
+    /* Construct and show dialog */
+    fun show(context: Context) {
+        // prepare dialog builder
+        val builder = MaterialAlertDialogBuilder(context)
+
+        // inflate custom layout
+        val inflater = LayoutInflater.from(context)
+        val view = inflater.inflate(R.layout.dialog_theme_selection, null)
+
+        // find radio buttons
+        val radioGroup = view.findViewById<android.widget.RadioGroup>(R.id.theme_radio_group)
+        val radioFollowSystem = view.findViewById<RadioButton>(R.id.radio_theme_follow_system)
+        val radioLight = view.findViewById<RadioButton>(R.id.radio_theme_light)
+        val radioDark = view.findViewById<RadioButton>(R.id.radio_theme_dark)
+
+        // set current selection
+        val currentTheme = AppThemeHelper.getCurrentTheme(context)
+        when (currentTheme) {
+            context.getString(R.string.pref_theme_selection_mode_device_default) -> {
+                radioFollowSystem.isChecked = true
+            }
+            context.getString(R.string.pref_theme_selection_mode_light) -> {
+                radioLight.isChecked = true
+            }
+            context.getString(R.string.pref_theme_selection_mode_dark) -> {
+                radioDark.isChecked = true
+            }
+        }
+
+        // set up radio group listener
+        radioGroup.setOnCheckedChangeListener { _, checkedId ->
+            val selectedTheme = when (checkedId) {
+                R.id.radio_theme_follow_system -> Keys.STATE_THEME_FOLLOW_SYSTEM
+                R.id.radio_theme_light -> Keys.STATE_THEME_LIGHT_MODE
+                R.id.radio_theme_dark -> Keys.STATE_THEME_DARK_MODE
+                else -> Keys.STATE_THEME_FOLLOW_SYSTEM
+            }
+            // apply theme immediately
+            AppThemeHelper.setTheme(selectedTheme)
+        }
+
+        // set custom view
+        builder.setView(view)
+
+        // add OK button
+        builder.setPositiveButton(R.string.dialog_generic_button_ok) { _, _ ->
+            // get selected theme
+            val selectedTheme = when (radioGroup.checkedRadioButtonId) {
+                R.id.radio_theme_follow_system -> Keys.STATE_THEME_FOLLOW_SYSTEM
+                R.id.radio_theme_light -> Keys.STATE_THEME_LIGHT_MODE
+                R.id.radio_theme_dark -> Keys.STATE_THEME_DARK_MODE
+                else -> Keys.STATE_THEME_FOLLOW_SYSTEM
+            }
+            // notify listener
+            themeSelectionDialogListener.onThemeSelectionDialog(true, selectedTheme)
+        }
+
+        // add cancel button
+        builder.setNegativeButton(R.string.dialog_generic_button_cancel) { _, _ ->
+            // notify listener
+            themeSelectionDialogListener.onThemeSelectionDialog(false, Keys.STATE_THEME_FOLLOW_SYSTEM)
+        }
+
+        // handle outside-click as cancel
+        builder.setOnCancelListener {
+            themeSelectionDialogListener.onThemeSelectionDialog(false, Keys.STATE_THEME_FOLLOW_SYSTEM)
+        }
+
+        // display dialog
+        dialog = builder.create()
+        dialog.show()
+    }
+}